Malware Analysis Report

2024-10-24 17:04

Sample ID 240611-w89cxsxbkj
Target 8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808
SHA256 8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808
Tags
gh0strat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808

Threat Level: Known bad

The file 8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808 was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat

Gh0st RAT payload

Gh0strat family

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-11 18:36

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat family

gh0strat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 18:36

Reported

2024-06-11 18:39

Platform

win7-20240221-en

Max time kernel

143s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1728 wrote to memory of 2772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

Network

N/A

Files

memory/2772-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 18:36

Reported

2024-06-11 18:39

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

54s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2484 wrote to memory of 4136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2484 wrote to memory of 4136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2484 wrote to memory of 4136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c9a86548395e27345f89bb2262f4d84ad0da125458076a6a048e2b103101808.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4136-0-0x0000000010000000-0x0000000010011000-memory.dmp